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A034969 a(n) is largest prime factor of concatenation of a(n-2) and a(n-1). +0
1
1, 1, 11, 37, 379, 37379, 130369, 463, 12277, 4210207, 1015309, 42102071015309, 7522851571, 39903394005601130021, 25802383968983, 37292891594019747683418713868869, 14503534580521337440787239038687315641 (list; graph; listen)
OFFSET

1,3
CROSSREFS

Sequence in context: A003020 A075024 A120833 this_sequence A052432 A104269 A084014

Adjacent sequences: A034966 A034967 A034968 this_sequence A034970 A034971 A034972

KEYWORD

nonn,base,nice

AUTHOR

Erich Friedman (erich.friedman(AT)stetson.edu)

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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